Added a remove option, a one liner to install tlauncher-arch, and formatted some files

src/tlauncher

@@ -1,32 +1,55 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-function update() {
-  echo -e "\n\033[1;32mDownloading the latest version...\033[0m"
+[[ "$(whoami)" = "root" ]] && echo "Script must be run as a normal user." && exit
+
+# Colors
+RED="\033[1;31m"
+GREEN="\033[1;32m"
+END="\033[0m"
+
+update() {
+  echo -e "\n${GREEN}Downloading the latest version...${END}"
   wget https://tlauncher.org/jar -P /tmp
   unzip /tmp/jar -d /tmp/tlauncher
   sudo mv /tmp/tlauncher/*.jar /usr/share/tlauncher/tlauncher.jar
   rm /tmp/jar
   rm -rf /tmp/tlauncher/
-  echo -e "\n\033[1;32mDone!\033[0m"
+  echo -e "\n${GREEN}Done!${END}"
 }
 
-function usage() {
+usage() {
   echo "
   Usage:
-    --update -u | Update tlauncher.jar
-    nothing     | Launch TLauncher
+    --update, update | Update tlauncher.jar
+    --remove, remove | Remove tlauncher from your system, except your \$HOME/.minecraft dir 
+    nothing          | Launch TLauncher
   "
 }
 
-
-while [[ "$1" ]]; do
-  case "$1" in
-    "--update" | "-u")
-      update ; exit ;;
-    *)
-      usage ; exit ;;
-  esac
-done
+remove() {
+  SYSTEM_FILES=(
+    /usr/share/tlauncher
+    /usr/share/icons/tlauncher.png
+    /usr/share/applications/tlauncher.desktop
+    /usr/bin/tlauncher
+  )
+  echo -e "\n${GREEN}Removing TLauncher system files...${END}"
+  rm -rf "${SYSTEM_FILES[@]}"
+  echo -en "\nDo you want to keep all those java packages installed (${GREEN}Yy${END}/${RED}Nn${END})?" && read -r KEEP_JAVA
+  echo -en "\nDo you want to keep your \$HOME/.tlauncher dir (${GREEN}Yy${END}/${RED}Nn${END})?" && read -r KEEP_DOTDIR
+  [[ "${KEEP_JAVA,,}" = "n" ]] && sudo pacman -Rns jdk-openjdk jre-openjdk{,-headless} java-openjfx
+  [[ "${KEEP_DOTDIR,,}" = "n" ]] && rm -rf "$HOME/.tlauncher"
+}
 
 
-java -jar /usr/share/tlauncher/tlauncher.jar
+case "$1" in
+  -u|--update|update)
+    update ; exit ;;
+  -r|--remove|remove)
+    remove ; exit ;;
+  *)
+    usage  ; exit ;;
+esac
+
+
+java -jar /usr/share/tlauncher/tlauncher.jar